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230660032 = 266159083
BaseRepresentation
bin11011011111110…
…01011111000000
3121002000202002011
431233321133000
5433022110112
634515502304
75500402141
oct1557713700
9532022064
10230660032
11109224329
12652b7994
1338a30835
14228c3ac8
15153b3aa7
hexdbf97c0

230660032 has 28 divisors (see below), whose sum is σ = 465227416. Its totient is φ = 113437440.

The previous prime is 230660009. The next prime is 230660039. The reversal of 230660032 is 230066032.

It is a junction number, because it is equal to n+sod(n) for n = 230659985 and 230660012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230660039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25638 + ... + 33445.

Almost surely, 2230660032 is an apocalyptic number.

It is an amenable number.

230660032 is an abundant number, since it is smaller than the sum of its proper divisors (234567384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230660032 is an equidigital number, since it uses as much as digits as its factorization.

230660032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59156 (or 59146 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 230660032 is about 15187.4959094645. The cubic root of 230660032 is about 613.2780899624.

The spelling of 230660032 in words is "two hundred thirty million, six hundred sixty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 61 64 122 244 488 976 1952 3904 59083 118166 236332 472664 945328 1890656 3604063 3781312 7208126 14416252 28832504 57665008 115330016 230660032